June 12–13, 2013, derecho series
Map of the two derecho events across the United States | |
| Date(s) | June 12–13, 2013 |
|---|---|
| Duration | 11:00 p.m.–11:00 a.m. June 12–13 (12 hours); 11:00 a.m.–8:00 p.m. June 13 (9 hours) (UTC-04:00) |
| Peak wind gust (measured) | 95 mph (153 km/h; 42.5 m/s) (NW of Wabash, Indiana, on June 12) |
| Largest hail | 2.75 in (7.0 cm) (Wells, Minnesota, on June 12 and W of Callaway, Maryland, on June 13) |
| Tornado count | 30 |
| Strongest tornado1 | EF3 tornado |
| Fatalities | 4 |
| Damage costs | Unknown |
| Areas affected | United States Midwest, United States Mid-Atlantic, Southeastern United States |
| 1Most severe tornado damage; see Enhanced Fujita scale | |
From June 12 to June 13, 2013, two derechos occurred across different areas of the Eastern United States. The initial derecho formed on the afternoon of June 12 and tracked across a large section of the Midwestern United States, the central Appalachians, and the Mid-Atlantic states before moving into the Atlantic Ocean during the morning of June 13. A second, more widespread and intense derecho occurred on June 13 across the Southeastern United States, resulting in major wind damage across North Carolina, Virginia, and Maryland, among other states. These storms caused at least three deaths and extensive damage property damage – resulting from both tornadoes and straight-line winds – from Iowa to South Carolina. 28 tornadoes touched down in Iowa, Illinois, Ohio, Georgia, North Carolina, Maryland, Virginia, and Tennessee. One of the tornadoes in Iowa was rated as a high-end EF3, destroying a restaurant and two houses. One person was injured by another tornado, rated EF2, in Carroll County, Illinois, and nine people were injured by an EF1 in Cherokee County, Georgia.